Primel-Trégastel is located in the commune Plougasnou in Brittany. It is located about 75 kilometres east of Brest. Within Plougasnou, habitat is very scattered with several villages along the coast (Térénez, Le Diben, Primel-Trégastel), on the heights (the town of Plougasnou, Kérénot) or inland (Kermouster).
